Double-blind study of methotrimeprazine, morphine, and meperidine for preanesthetic medication.
D000328:Adult; D000768:Anesthesia, General; D001285:Atropine / Q000494:pharmacology; D002986:Clinical Trials as Topic; D006801:Humans; D008614:Meperidine / Q000494:pharmacology*; D008728:Methotrimeprazine / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D011229:Preanesthetic Medication; D012601:Scopolamine / Q000494:pharmacology; D014149:Tranquilizing Agents / Q000494:pharmacology*
D014149:Tranquilizing Agents; D009020:Morphine; D001285:Atropine; D008614:Meperidine; D008728:Methotrimeprazine; D012601:Scopolamine